it was sunday yesterday so you ( )to shool and you didn't.--为什么不选needn't come而用didn't needn't to come

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it was sunday yesterday so you ( )to shool and you didn't.--为什么不选needn't come而用didn't needn't to come

it was sunday yesterday so you ( )to shool and you didn't.--为什么不选needn't come而用didn't needn't to come
it was sunday yesterday so you ( )to shool and you didn't.-
-为什么不选needn't come而用didn't needn't to come

it was sunday yesterday so you ( )to shool and you didn't.--为什么不选needn't come而用didn't needn't to come
从and you didn't (事实上你昨天也没去)可见didn't need to come 是对的(你写错了多了个need)
didn't need to do sth 表示“过去没必要做什么”(事实上也没做) 如果事实上已经做了,就得说“needn't have done"了
请及时采纳,不懂继续问( 天天在线 )

need可以作为动词和情态动词
作为动词时,就用needn't come
作为情态动词是,用didn't need to come
望采纳

当然应该用needn‘t come啊,didn't needn't to come是错误的!

应该用。 didn't need to come (你可能打错了)
1、主句是过去时,从句也要至少是过去时。解释为什么用didn't
2、need 后面加动词要+ to , 解释为什么是 need to come.